Home / 18,338,035.56-25,307,095.80-10,078,390.62

Finding the Fourth Proportional to 18,338,035.56, 25,307,095.80 and 10,078,390.62

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Solution

The fourth proportional to 18,338,035.56, 25,307,095.80 and 10,078,390.62 is: 13,908,512.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,338,035.56 : 25,307,095.80 = 10,078,390.62 : x
  2. Step 2: Convert to fraction form
    18,338,035.56/25,307,095.80 = 10,078,390.62/x
  3. Step 3: Cross multiply
    18,338,035.56x = 25,307,095.80 × 10,078,390.62
  4. Step 4: Simplify right side
    18,338,035.56x = 255,054,796,930,161.38
  5. Step 5: Solve for x
    x = 255,054,796,930,161.38/18,338,035.56
  6. Step 6: Final answer
    x = 13,908,512.51

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.